Tests:Synovial Fluid: Difference between revisions
Tests:Synovial Fluid
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|Preferred | |Preferred | ||
|Aspirated fluid in a sterile pottle '''PLUS''' anticoagulated tube (purple top EDTA) | |Aspirated fluid in a sterile pottle '''PLUS''' anticoagulated tube if possible (purple top EDTA) | ||
Aspirate in capped syringe | Aspirate in capped syringe | ||
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|Unacceptable | |Unacceptable | ||
|Do not send syringe with attached needle. | |Unable to perform cell count on clotted specimens. | ||
Do not send syringe with attached needle. | |||
|- | |- | ||
|Specimen Transportation | |Specimen Transportation | ||
Revision as of 16:31, 7 July 2025
Overview | |
|---|---|
| Department | Microbiology |
| Test Code | ASP |
| Synonyms | Joint fluid
Crystal examination Bi-refringent crystals Gout/pseudogout |
| Availability | Monday - Sunday, testing routinely available out of hours |
| Turnaround Time | Cell count 1 hour (performed at Base and Hawera Hospital - sent on to Base for Gram, culture etc)
Gram stain 1 hour (performed at Base Hospital) Culture 1-7 days (performed at Base Hospital) 14 days for shoulder joints |
Specimen Requirements | |
| Specimen | Aspirated fluid |
| Preferred | Aspirated fluid in a sterile pottle PLUS anticoagulated tube if possible (purple top EDTA)
Aspirate in capped syringe |
| Accepted | |
| Unacceptable | Unable to perform cell count on clotted specimens.
Do not send syringe with attached needle. |
| Specimen Transportation | ASAP to laboratory at room temperature. |
| Paediatric Requirements | Aspirated fluid in a sterile pottle PLUS anticoagulated tube (purple top EDTA) if possible
Aspirate in capped syringe |
Aliquot Requirements | |
| Sample | |
| Preferred Aliquot | |
| Minimum Aliquot | |
| Transportation | |
Clinical Information | |
| Reference Intervals | |
| Test Method | Microscopy and culture |
| Advanced Notice | Not required but necessary if required urgently |
| Patient Preparation | Not Required |
Comments | |
| Use protective cap on syringes or deliver sample in person. | |